Global Patent Index - EP 0506428 B1

EP 0506428 B1 19950621 - Synthesis of methyl t-butyl ether using Group IV oxides treated with sulfates or sulfuric acid.

Title (en)

Synthesis of methyl t-butyl ether using Group IV oxides treated with sulfates or sulfuric acid.

Title (de)

Synthese von Methyl-t-butylether unter Verwendung von mit Sulfaten oder Schwefelsäure behandelten Oxiden der Gruppe IV.

Title (fr)

Procédé pour la préparation du méthyltertiobutyléther utilisant des oxydes du groupe IV traité par d'acide sulfurique ou des sulfates.

Publication

EP 0506428 B1 19950621 (EN)

Application

EP 92302667 A 19920326

Priority

US 67719291 A 19910329

Abstract (en)

[origin: US5059725A] Disclosed is a method wherein t-butanol is reacted with methanol in one step to provide methyl t-butyl ether at a temperature of about 20 DEG C. to 250 DEG C. and a pressure of about atmospheric to about 1000 psig employing a catalyst consisting of a Group IV oxide on which there has been deposited a sulfur-containing compound from the group consisting of ammonium sulfate or sulfuric acid.

IPC 1-7

C07C 41/09; C07C 43/04

IPC 8 full level

B01J 21/06 (2006.01); B01J 27/053 (2006.01); C07B 61/00 (2006.01); C07C 41/09 (2006.01); C07C 43/04 (2006.01)

CPC (source: EP US)

C07C 41/09 (2013.01 - EP US)

C-Set (source: EP US)

C07C 41/09 + C07C 43/046

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

US 5059725 A 19911022; CA 2048017 A1 19920930; DE 69203016 D1 19950727; DE 69203016 T2 19951102; EP 0506428 A1 19920930; EP 0506428 B1 19950621; ES 2075614 T3 19951001; JP H05140019 A 19930608

DOCDB simple family (application)

US 67719291 A 19910329; CA 2048017 A 19910726; DE 69203016 T 19920326; EP 92302667 A 19920326; ES 92302667 T 19920326; JP 10017392 A 19920327